I need the following methods to complete the fix for MATH-1246. I
can add them as private methods to the KS class; but they seem
generally useful, so I propose adding them to MathArrays. Any
objections?
/**
* Concatenates two arrays.
*
* @param x first array
* @param y second array
* @return a new array consisting of the entries of x followed by
the entries of y
* @throws NullPointerException if either x or y is null
*/
public static double[] concat(double[] x, double[] y)
/**
* Returns an array consisting of the unique values in {@code data}.
* The return array is sorted in descending order.
*
* @param data
* @return descending list of values included in the input array
*/
public static double[] values(double[] data)
/**
* Adds random jitter to {@code data} using deviates sampled from
{@code dist}.
* <p>
* Note that jitter is applied in-place - i.e., the array
* values are overwritten with the result of applying jitter.</p>
*
* @param data input/output data array
* @param dist probability distribution to sample for jitter values
* @throws NullPointerException if either of the parameters is null
*/
public static void jitter(double[] data, RealDistribution dist)
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